CVE-2023-23906 json
Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver.
published 2023-05-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27989
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Seiko Solutions Inc. SkyBridge MB-A100/110
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
seiko-sol.co.jp
/archives/73969/
vendor-advisory
-
seiko-sol.co.jp
/products/skybridge/skybridge_download/mb-a100/
product
-
seiko-sol.co.jp
/products/skybridge/skybridge_download/mb-a200/
product
-
seiko-sol.co.jp
/products/skybridge/skybridge_download/mb-a130/
product
-
seiko-sol.co.jp
/products/skyspider/skyspider_download/mb-r210/
product
-
jvn.jp
/en/jp/JVN40604023/
third-party-advisory
Sources
- CVE List CVE-2023-23906
- NVD CVE-2023-23906
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.